Cyanine5.5 amine

Cat. # Quantity Price Lead time
170C0 1 mg $110.00 in stock
270C0 5 mg $210.00 5 days
470C0 25 mg $410.00 in stock
570C0 50 mg $695.00 in stock
670C0 100 mg $1190.00 5 days

Cyanine5.5 (Cy5.5® analog) amine derivative. The dye contains a free amine group which can be conjugated with a variety of functionalities, including NHS esters, and epoxides.

Cyanine5.5 is a far red dye which works fine for live organism imaging, and applications requiring low fluorescence background.

Cy5.5 absorbance and emission spectra

Cy5.5 absorbance and emission spectra

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General properties

Appearance: dark blue powder
Molecular weight: 753.88
CAS number: 2097714-44-6 (without anion), 2097714-45-7 (chloride)
Molecular formula: C46H58Cl2N4O
IUPAC name: 1H-​Benz[e]​indolium, 2-​[5-​[3-​[6-​[(6-​aminohexyl)​amino]​-​6-​oxohexyl]​-​1,​3-​dihydro-​1,​1-​dimethyl-​2H-​benz[e]​indol-​2-​ylidene]​-​1,​3-​pentadien-​1-​yl]​-​1,​1,​3-​trimethyl-
Solubility: practically insoluble in water (< 2 uM), good in polar organic solvents (DMF, DMSO, alcohols)
Quality control: NMR 1H, HPLC-MS (95%)
Storage conditions: Storage: 24 months after receival at -20°C in the dark. Transportation: at room temperature for up to 3 weeks. Avoid prolonged exposure to light. Desiccate.
MSDS: Download
Product specifications

Spectral properties

Excitation/absorption maximum, nm: 684
ε, L⋅mol−1⋅cm−1: 198000
Emission maximum, nm: 710
Fluorescence quantum yield: 0.2
CF260: 0.07
CF280: 0.03

Product citations

  1. Park, D.J.; Yun, W.S.; Kim, W.C.; Park, J.-E.; Lee, S.H.; Ha, S.; Choi, J.S.; Key, J.; Seo, Y.J. Improvement of stem cell-derived exosome release efficiency by surface modified nanoparticles. Research Square, preprint. doi: 10.21203/rs.3.rs-42143/v1
  2. Han, Z.; Chen, C.; Xu, X.; Bai, R.; Staedtke, V.; Huang, J.; Chan, K.W.Y.; Xu, J.; Kamson, D.O.; Wen, Z.; Knutsson, L.; Zijl, P.C.M.; Liu, G. Dynamic contrast-enhanced CEST MRI using a low molecular weight dextran. NMR in Biomedicine, 2022, 35(3), e4649. doi: 10.1002/nbm.4649
  3. Ahn, Y.J.; Yun, W.S.; Choi, J.S.; Kim, W.C.; Lee, S.H.; Park, D.J.; Park, J.E.; Key, J.; Seo, Y.J. Biodistribution of poly clustered superparamagnetic iron oxide nanoparticle labeled mesenchymal stem cells in aminoglycoside induced ototoxic mouse model. Biomedical Engineering Letters, 2021, 11(1), 39–53. doi: 10.1007/s13534-020-00181-6
  4. Zhang, Y.; Hughes, K.R.; Raghani, R.M.; Ma, J.; Orbach, S.; Jeruss, J.S.; Shea, L.D. Cargo-free immunomodulatory nanoparticles combined with anti-PD-1 antibody for treating metastatic breast cancer. Biomaterials, 2021, 269, 120666. doi: 10.1016/j.biomaterials.2021.120666
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